A cruise is a vacation taken on a large ship that travels to various destinations, often including multiple ports of call. Passengers enjoy a range of amenities, such as restaurants, pools, and entertainment, all while traveling on the open sea. Cruises can last from a few days to several weeks and cater to different interests, including family-friendly options and luxury experiences. Cruise lines, like Carnival and Royal Caribbean, offer themed cruises, such as those focused on music or wellness. Travelers can choose itineraries that explore regions like the Caribbean, Mediterranean, or Alaska, making cruises a popular choice for those seeking adventure and relaxation.